What is the pattern rule 1,4,13,40,121

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

What is the sum of these mixed numbers 2 1/8 + 4 3/8

Do some research and find a city that has experienced population growth. determine its population on january 1st of a certain year. write an exponential function to represent the city’s population, y, based on the number of years that pass, x after a period of exponential growth. describe the variables and numbers that you used in your equation.